IWAGPR2025, hosted by the School of Geology at the Aristotle University of Thessaloniki, will take place in Thessaloniki, Greece from July 2nd to 4th, 2025. Since its inception in 2001, the International Workshop on Advanced Ground Penetrating Radar (IWAGPR) has been a leading event for exploring advancements in GPR research, techniques, and applications. This biennial workshop brings together scientists, engineers, industrial delegates, and end-users to share the latest developments in GPR, from fundamental advances to compelling case studies.